Pregnancy Test Tells When Conception Occurred

Urine is applied to an absorbent sampler activating the test, which automatically calibrates itself. A "Wait” symbol on the liquid crystal display (LCD) display screen indicates the test is working. Within three minutes, an easy to read result is displayed. If the test is positive, "Pregnant” will be indicated in words on the display along with the Conception Indicator result. This is displayed as an estimate of how many weeks have occurred since conception: 1-2 weeks, 2-3 weeks or 3+ weeks.

Once a fertilized egg implants in the uterus wall, a woman's body produces the pregnancy hormone, human chorionic gonadotropin (hCG). This rapidly increases during the early weeks of pregnancy and is present in urine. It is this hormone that pregnancy tests detect when confirming a positive result. Clearblue (Waltham, MA, USA) launched the Clearblue digital pregnancy test with Conception Indicator--the only pregnancy test that is so advanced it is capable of telling a woman both if she is pregnant, and provide an indication when she might have conceived.

In laboratory tests, Clearblue digital pregnancy test is more than 99% accurate in detecting pregnancy, when used from the day the period is due. The Conception Indicator result is 92% accurate at indicating when a woman conceived, and when using the first urine of the day. As with the original Clearblue digital pregnancy test, the Conception Indicator is a one-step rapid test designed to be used once before disposal.

Clearblue launched the new test following extensive clinical studies to pinpoint the different levels of hCG required to estimate when conception occurred. Dr. Jayne Ellis, director of new product development at Clearblue commented, "The Conception Indicator is something we have been researching for a number of years, and the final product is unique. We are excited to be able to offer women more valuable information about their pregnancy as soon as the "pregnant” result is confirmed.”

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